| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 359586000 | Layers having specified index of refraction | 84 |
| 20080218863 | Color Compensating Retinal Safety Filter - A filter and method for filtering an optical beam are disclosed. One embodiment of the filter is an optical filter for filtering an incident light beam, comprising an optically effective material characterized by: a light transmittance of less than 1% for wavelengths below 420 nm; and a light transmittance for wavelengths complementary and near complementary to wavelengths below 420 nm that, combined with the transmittance for wavelengths below 420 nm, will yield a filtered light beam having a luminosity of about 90% and an excitation purity of 5% or less. The complementary wavelengths can be wavelengths above about 640 nm, wavelengths above about 660 nm, and/or wavelengths from about 540 nm to about 560 nm. Further, in one embodiment the difference between the light transmittance just below 420 nm and the light transmittance just above 420 nm can be greater than 90%. Above 420 nm, in some embodiments, the light transmittance can be arbitrarily determined. The optically effective material can be optical-grade glass, an optical-grade plastic or polymer, a thin-film dielectric coating, or an optical-grade glass or plastic coated with a dielectric coating. The optical filter can be mounted downstream of an illumination source exit aperture, wherein the illumination source produces the incident light beam, and upstream of a site to be illuminated by the filtered light beam. Alternatively, the optical filter can be operably mounted on a set of viewing optics of a surgical microscope to filter a reflected portion of a light beam produced by an illumination source and used to illuminate a site, such as a surgical site. | 09-11-2008 |
| 20080231957 | ANTIREFLECTION FILM, OPTICAL ELEMENT AND OPTICAL SYSTEM - An antireflection film includes a multilayer film having six layers, in total, provided between an optical substrate and an adhesion layer. The respective layers of first to sixth layers are laminated in order from one side of the adhesion layer. A refractive index of the antireflection film as a whole is lower than that of the optical substrate and higher than that of the adhesion layer. The first and third layers are low refractive index layers having a refractive index of 1.35 to 1.50 at d line. The second, fourth and sixth layers are middle refractive index layers having a refractive index of 1.55 to 1.85 at the d line. The fifth layer is a high refractive index layer having a refractive index, at the d line, that is in a range of 1.70 to 2.50 and that is higher than that of the middle refractive index layer. | 09-25-2008 |
| 20080310026 | OPTICAL MEMBER, OPTICAL SYSTEM USING THE OPTICAL MEMBER, AND METHOD OF MANUFACTURING AN OPTICAL MEMBER - Provides is an optical member capable of keeping a high performance antireflection effect over a long period of time with respect to an arbitrary substrate. The optical member has plural layers on a substrate, and includes at least one metal oxide layer having a void, and at least one layer containing an organic resin as a main component formed between the substrate and the metal oxide layer. The metal oxide layer is a plate crystal layer formed of a plate crystal containing aluminum oxide as a main component and a surface of the plate crystal layer has an uneven profile. The organic resin has an aromatic ring and/or a hetero ring in at least a part thereof. | 12-18-2008 |
| 20090052041 | Anti-Reflection Film and Polarizing Plate Using the Same - An anti-reflection (AR) film has a transparent substrate film; a hard coat layer which is formed on one surface of the transparent substrate film; and an AR layer which is formed on the hard coat layer. And the AR layer has a four-layer stacked structure of alternate high and low refractive index material layers; the total thickness of the low refractive index material layer is in the range 90-130 nm; and the arithmetic mean roughness Ra of the AR layer surface is in the range 1.5-3.0 nm. | 02-26-2009 |
| 20090080077 | OPTICAL ELEMENT HAVING ANTIREFLECTION FILM - An optical element includes a substrate and an antireflection film coated on a surface of the substrate. The antireflection film includes a bottom layer, a range broadening layer, and a top layer in order from the substrate side. The bottom layer is formed using a middle refractive index material. The range broadening layer includes: a first layer formed using a high refractive index material; a second layer formed using a low refractive index material; a third layer formed using a high refractive index material; a fourth layer formed using a low refractive index material; and a fifth layer formed using a high refractive index material. The top layer is formed using a low refractive index material. Wherein, d=λ/(4×n), λ is a wavelength of incident light, n is a refractive index of the corresponding film material. | 03-26-2009 |
| 20090091835 | OPTICAL FILM, POLARIZING PLATE, AND IMAGE DISPLAY APPARATUS - An optical film includes, in the following order, a support; an antiglare layer having an uneven surface; a high refractive index layer; and a low refractive index layer, wherein an arithmetic average roughness (Ra) of the optical film is: 0.03 μm| 04-09-2009 | |
| 20090116113 | IMAGE SCREEN - An image screen includes a transparent substrate, a metal film, and an optical reflective stack layer. The metal film is disposed on a first surface of the transparent substrate, having a thickness and a set of material characteristic constants being predetermined. The optical reflective stack layer is disposed over the metal layer. The metal film and the optical reflective stack layer function together to selectively reflect a light with a portion of wavelength. In addition, according to the need, a diffusion micro-structure layer can be disposed on a second surface of the transparent substrate. Further for example, another reflective layer or optical absorbing layer can be further disposed on another surface of the optical reflective stack layer. The reflective layer can be, for example, a metal film. | 05-07-2009 |
| 20090141358 | DENSE HOMOGENEOUS FLUORIDE FILMS FOR DUV ELEMENTS AND METHOD OF PREPARING SAME - The invention is directed to optical elements that are coated with dense homogeneous fluoride films and to a method of making such coated elements. The coatings materials are a high (“H”) refractive index fluoride material and a low (“L”) refractive index material that are co-evaporated to form a coating layer of a L-H coating material (a co-deposited coating of L and H materials). Lanthanide metal fluorides (for example, neodymium, lanthanum, dysprosium, yttrium and gadolinium, and combinations thereof) are preferred metal fluorides for use as the high refractive index materials with lanthanum fluoride (LaF | 06-04-2009 |
| 20090161218 | COLOR DEVELOPING STRUCTURE AND METHOD FOR MANUFACTURING COLOR DEVELOPING STRUCTURE - A method for manufacturing a color developing structure, includes: defining a first region and a second region adjacent to the first region on a base body; forming, onto the first region, a first transparent thin film having a first refractive index by a liquid droplet ejection method with a first liquid material; forming, onto the first transparent thin film, a second transparent thin film having a second refractive index by a liquid droplet ejection method with a second liquid material; and stacking the first transparent thin films and the second transparent thin films in layers by alternately repeating the forming of the first transparent thin film and the forming of the second transparent thin film multiple times so that a first film body having the first color developing characteristics is formed onto the first region and the color developing structure is thereby obtained. | 06-25-2009 |
| 20090161219 | OPTICAL MULTI-LAYER THIN FILM, OPTICAL ELEMENT, AND METHOD FOR PRODUCING THE OPTICAL MULTI-LAYER THIN FILM - An optical multi-layer thin film comprises: an outermost layer ( | 06-25-2009 |
| 20090161220 | Narrow Band Omnidirectional Reflectors And Their Use As Structural Colors - Disclosed is a multilayer structure wherein a first layer of a first material having an outer surface and a refracted index between 2 and 4 extends across an outer surface of a second layer having a refractive index between 1 and 3. The multilayer stack has a reflective band of less than 200 nanometers when viewed from angles between 0° and 80° and can be used to reflect a narrow range of electromagnetic radiation in the ultraviolet, visible and infrared spectrum ranges. In some instances, the reflection band of the multilayer structure is less than 100 nanometers. In addition, the multilayer structure can have a quantity defined as a range to mid-range ratio percentage of less than 2%. | 06-25-2009 |
| 20090168181 | COLOR FILTER AND METHOD FOR FABRICATING THE SAME - A structure of a color filter is provided. The color filter structure includes a substrate, in which a number of first pixel regions, a number of second pixel regions, and a number of third pixel regions are defined on the substrate. Each first pixel region includes a first stack layer; each second pixel region includes a second stack layer; and each third pixel region includes the first stack layer and the second stack layer. | 07-02-2009 |
| 20090185275 | Image sensor device with high photosensitivity - An anti-reflection structure for transmitting a light source is disclosed. The anti-reflection structure comprises a first dielectric layer of a first refractive index and a second dielectric layer of a second refractive index different from the first refractive index. The first dielectric layer has a plurality of protrusions randomly arranged on a top surface thereof, in which the plurality of protrusions and the intervals therebetween has an average size smaller than the wavelength of the light source. The second dielectric layer has a bottom surface conformally attached to the top surface of the first dielectric layer. The invention also discloses an image sensor device having the anti-reflection structure. | 07-23-2009 |
| 20090195879 | DETERMINISTIC APERIODIC PATTERNED DIELECTRIC AND PLASMONIC MATERIALS FOR LOCALIZED ELECTROMAGNETIC FIELD ENHANCEMENT - A method is shown for the extension in higher spatial dimensions of deterministic, aperiodic structures which exhibit strong aperiodic effects and have overall compatibility with the planar technology of integrated optical circuits. Disclosed devices are operative in response to incident electromagnetic energy to create a distribution of electromagnetic energy having localized electromagnetic field enhancement, wherein the device includes a dielectric or plasmonic material having a region of interaction with the incident electromagnetic energy. The region of interaction has a deterministic, aperiodic patterning with an array of individual patterning elements of distinct refractive indices such that a variation of refractive index of the device occurs over distances comparable with a wavelength of the incident electromagnetic energy, the array being a multi-dimensional extension of a corresponding one-dimensional sequence such that a spectral response of the array is a multi-dimensional equivalent of a spectral response of the one-dimensional sequence. Specific examples employing so-called Rudin-Shapiro, Thue-Morse and Fibonacci sequences are shown. | 08-06-2009 |
| 20090219620 | ANTI-REFLECTION COATING, OPTICAL MEMBER, EXCHANGE LENS UNIT AND IMAGING DEVICE - An anti-reflection coating comprising first to seventh layers formed on a substrate in this order, the first layer being an alumina-based layer, the seventh layer being a porous, silica-based layer, and each of the first to seventh layers having predetermined refractive index and optical thickness in a wavelength range of 400-700 nm. | 09-03-2009 |
| 20090237797 | Optical Film and Display - An optical film ( | 09-24-2009 |
| 20090237798 | SEMICONDUCTOR PHOTONIC DEVICE - A coating film is provided on an end surface of a semiconductor photonic element including an active layer through which light propagates. The coating film has a two-layer structure including a first layer film and a second layer film arranged in a stacked relation. The thicknesses of the first and second layer films are determined so that the value of the amplitude reflectivity of the coating film is equal to an imaginary number. | 09-24-2009 |
| 20090290219 | REFLECTION REDUCING FILM, OPTICAL MEMBER AND OPTICAL SYSTEM - A reflection reducing film is provided on a surface of an optical substrate, and is sequentially provided with a buffer layer and a reflection reducing layer. The reflection reducing layer includes first to eighth layers sequentially laminated from the side of the buffer layer. The first and sixth layers are made of a low-refractive index material having a refractive index in the range of 1.35 to 1.50 at the d-line, the third, fifth and seventh layers are made of an intermediate-refractive index material having a refractive index in the range of 1.55 to 1.85 at the d-line, and the second, fourth and eighth layers are made of a high-refractive index material having a refractive index in the range of 1.70 to 2.50 at the d-line. | 11-26-2009 |
| 20090296219 | COATING COMPOSITION FOR ANTIREFLECTION AND ANTIREFLECTION FILM PREPARED BY USING THE SAME - The present invention provides a coating composition for antireflection that includes a low refraction-thermosetting resin having a refractive index of 1.2 to 1.45, a high refraction-ultraviolet curable resin having a refractive index of 1.46 to 2, and an ultraviolet absorber; an antireflection film manufactured using the coating composition; and a method of manufacturing the antireflection film. The antireflection film according to the present invention has excellent abrasion resistance and antireflection characteristic. Further, since the antireflection film can be manufactured in one coating process, it is possible to reduce manufacturing cost. | 12-03-2009 |
| 20090316267 | MULTILAYER THIN-FILM STACK AND OPTICAL ELEMENT EMPLOYING SAME - An optical element includes one or more transparent prisms and a multilayer optical thin-film formed on the transparent prisms. The multilayer optical thin-film includes a transparent substrate and a multilayer optical thin-film formed on the transparent substrate. The multilayer optical thin-film includes a plurality of high refractive index layers having a refractive index of more than 2.1 and a plurality of medium refractive index layers. The medium refractive index layers have a refractive index of one of to 1.79 and 1.81 to 1.86. The medium refractive index layers and the high refractive index layers are laminated in alternating fashion. | 12-24-2009 |
| 20100027123 | ANTI-REFLECTION COATING, OPTICAL MEMBER COMPRISING IT, AND EXCHANGE LENS UNIT AND IMAGING DEVICE COMPRISING SUCH OPTICAL MEMBER - An anti-reflection coating laminated on a substrate, wherein in a wavelength range of 400-700 nm, the substrate has a refractive index of 1.45-1.72, the first layer is based on alumina, the second to sixth layers are dense layers having refractive indices of 1.95-2.23, 1.33-1.50, 2.04-2.24, 1.33-1.50 and 1.85-2.40, respectively, the seventh layer is composed of nanometer-sized, mesoporous silica particles, and the first to seventh layers have optical thicknesses of 25.0-250.0 nm, 27.5-52.5 nm, 37.5-54.0 nm, 45.0-62.5 nm, 77.5-102.5 nm, 16.0-26.5 nm and 112.5-162.5 nm, respectively. | 02-04-2010 |
| 20100033824 | Optical Article Comprising a Multilayer Anti-Reflective Coating and Method Of Production Thereof - The invention relates to an optical article, for example, an ophthalmic lens, comprising at least one multilayer anti-reflective coating on a transparent substrate made from organic or mineral glass. Said coating comprises successively and starting at the substrate, a layer of material with high refractive index (HI), made from a hybrid organic/inorganic matrix within which are dispersed particles of mineral oxide or chalcogenide with a diameter of 2 to 50 nm and a layer of material with low refractive index (BI), obtained by hardening of a composition comprising at least one silane precursor (I) with 4 hydrolysable groups and at least one fluorosilane precursor (II), said second composition comprising at least 10% in mass of fluorine in a theoretical dry extract and with a molar ratio I/I+II greater than 80% | 02-11-2010 |
| 20100053757 | OPTICAL ELEMENT AND OPTICAL APPARATUS - The optical element includes a base member, and a first layer which is formed on the base member and whose refractive index for a central use wavelength λ changes in a thickness direction of the first layer by 0.05 or more. The first layer has an anti-reflection function and satisfies n | 03-04-2010 |
| 20100079867 | OPTICAL FILM, POLARIZING PLATE AND IMAGE DISPLAY APPARATUS - An optical film, is provided, the optical film including: a support; and at least one antiglare layer having a surface that has asperities, wherein the at least one antiglare layer contains at least one kind of light transmitting particles including first light transmitting particles in an amount of 0.01 to 1 mass % based on a total solid content in the antiglare layer, the first light transmitting particles have an average particle size that is 0.1 to 4.0 μm greater than an average thickness of the antiglare layer, and a region θ(0.5) in which slope angles θ of the asperities of the surface of the antiglare layer lie within a range of 0°<θ<0.5° constitutes 40% to 98% of the surface of the antiglare layer. | 04-01-2010 |
| 20100079868 | ANTIGLARE FILM, ANTIREFLECTION FILM, POLARIZING PLATE AND IMAGE DISPLAY DEVICE - An antiglare film is provided and includes: a transparent support; and an antiglare layer containing a binder and a light-transmitting fine particle. The light-transmitting fine particle has an average particle diameter of 3 to 15 μm, the antiglare layer has an average thickness smaller than the average particle diameter of the light-transmitting fine particle by 0.1 to 2.0 μm, the antiglare layer contains the light-transmitting fine particle in an amount of 1.0 to 3.0 weight % based on all solid contents of the antiglare layer. The antiglare layer has a surface having a θ(1) of 60 to 98.5%, wherein the θ(1) is a ratio of a surface region of 0°≦θ≦1° in the surface when θ represents a tilt angle of an irregularity on the surface. | 04-01-2010 |
| 20100079869 | ANTIGLARE FILM, ANTIREFLECTIVE FILM, POLARIZING PLATE AND IMAGE DISPLAY DEVICE - An antiglare film is provided, the antiglare film including: a support; and an antiglare layer including a surface that has asperities, wherein the antiglare layer contains at least first light-transmitting particles and second light-transmitting particles, the first light-transmitting particles have an average particle size that is 0.01 to 2.5 μm greater than an average thickness of the antiglare layer, the second light-transmitting particles have an average particle size that is at least 0.1 μm smaller than the average thickness of the antiglare layer, the first light-transmitting particles are contained in an amount of 0.1 to 2 mass % based on a total solid content in the antiglare layer, the second light-transmitting particles are contained in an amount of 2 to 30 mass % based on the total solid content in the antiglare layer, and the second light-transmitting particles include organic polymer-containing particles each of which has a core particle/shell layer structure. | 04-01-2010 |
| 20100091373 | PLASTIC LENS AND METHOD OF PRODUCING PLASTIC LENS - A primer layer is formed on a plastic lens substrate, a hard coat layer is formed on the primer layer using a coating composition comprising metal oxide fine particles, an organosilicon compound represented by the general formula R | 04-15-2010 |
| 20100149642 | ANTIREFLECTION FILM AND OPTICAL ELEMENT HAVING SAME - An antireflection film includes a first layer, a second layer, a third layer, a fourth layer, a fifth layer, a sixth layer, and a seventh layer. Each of the first, third, fifth, and seventh layer is formed using a low refractive index material. Each of the second, fourth, and sixth layer is formed using a high refractive index material. The thicknesses of the first, second, third, fourth, fifth, sixth, and seventh layers are in ranges of 0.122d | 06-17-2010 |
| 20100232021 | DURABLE ANTIREFLECTIVE FILM - Antireflective films are described having a surface layer comprising a the reaction product of a polymerizable low refractive index composition comprising at least one fluorinated free-radically polymerizable material and surface modified inorganic nanoparticles. A high refractive index layer is coupled to the low refractive index layer. In one embodiment, the high refractive index layer comprises surface modified inorganic nanoparticles dispersed in a crosslinked organic material. The antireflective film is preferably durable, exhibiting a haze of less than 1.0% after 25 wipes with steel wool using a 3.2 cm mandrel and a mass of 1000 grams. | 09-16-2010 |
| 20100238557 | OPTICAL COMPONENT AND METHOD FOR MANUFACTURING THE SAME - An optical component includes an antireflection film that is a multilayer film having alternately-laminated six or more layers including high refractive index layers and low refractive index layers; wherein a first layer of the antireflection film deposited closest to the substrate is a high refractive index layer; λ satisfies 480 nm≦λ≦530 nm where λ is the wavelength of light incident into the antireflection film; an optical thickness D | 09-23-2010 |
| 20100284088 | DICHROIC FILTERS FORMED USING SILICON CARBIDE BASED LAYERS - The present invention provides a method of forming a flexible dichroic optical filter. The method comprises depositing a plurality of pairs of layers adjacent a substrate. Each of the plurality of pairs of layers includes a first layer formed of a silicon-and-carbon containing material having a first index of refraction and a second layer formed of a silicon-and-carbon containing material having a second index of refraction that is different than the first index of refraction. | 11-11-2010 |
| 20100296167 | BILAYER ANTI-REFLECTIVE FILMS CONTAINING NON-OXIDE NANOPARTICLES - An article and process having non-oxide nanoparticles containing stratified compositions for low refractive index compositions of utility as anti-reflective coatings for optical display substrates. The compositions comprise a high refractive index lower stratum containing nanoparticles and a low refractive index upper stratum on top of the high refractive index lower stratum. | 11-25-2010 |
| 20100296168 | OPTICAL ELEMENT, OPTICAL SYSTEM INCLUDING THE OPTICAL ELEMENT, AND OPTICAL APPARATUS INCLUDING THE OPTICAL SYSTEM - An optical element includes a substrate, and an antireflection film provided on a surface of the substrate. The antireflection film is a graded layer having a refractive index that is progressively decreased from the substrate side towards an outer surface of the antireflection film. The graded layer has a reflectivity characteristic occupying ⅔ of a usable wavelength range around the center of the usable wavelength range. Reflectivity of the graded layer at a maximum value of the reflectivity characteristic is a peak value equal to or less than 0.4% The graded layer does not have a maximal value not corresponding to the peak value. At least one of reflectivities at both ends of the usable wavelength range is equal to or less than half the reflectivity at the peak value. | 11-25-2010 |
| 20100309555 | Narrow angle filter - An optical interference coating that transmits light in a narrow angular band has been achieved. This filter works in filtering light from different angles of arrival when it is operated in a tilted configuration to the incoming signal. Two such tilted filters whose normal vectors are rotated about an optical axis by 90 degrees enable light from all polarizations and from all angles of arrival to be effectively filtered by angle. | 12-09-2010 |
| 20110026122 | METHOD FOR PRODUCING OPTICAL FILM, OPTICAL FILM, AND OPTICAL COMPONENT - A method for producing an optical film formed of a porous film containing magnesium (Mg) and fluorine (F) includes the steps of applying, onto a base, a solution containing a fluorine-containing organomagnesium compound represented by general formula (1): | 02-03-2011 |
| 20110032621 | ETHYLENE/ALPHA-OLEFIN BLOCK INTERPOLYMERS - Embodiments of the invention provide a class of mesophase separated ethylene/α-olefin block interpolymers with controlled block sequences. The ethylene/α-olefin interpolymers are characterized by an average block index, ABI, which is greater than zero and up to about 1.0 and a molecular weight distribution, M | 02-10-2011 |
| 20110051246 | Reflection-Reducing Interference Layer System and Method for Producing It - A reflection-reducing interference layer system is disclosed, which has at least three alternating layers having different refractive indices. At least one nanostructured layer comprising an organic material or an organic-inorganic hybrid material is applied to the alternating layers. With the interference layer system, it is possible to obtain very low reflection over a wide wavelength and incident angle range. | 03-03-2011 |
| 20110157703 | Temperable three layer antireflective coating, coated article including temperable three layer antireflective coating, and/or method of making the same - A coated article includes a temperable antireflection (AR) coating that utilizes medium and low index (index of refraction “n”) layers having compressive residual stress in the AR coating. In certain example embodiments, the coating may include the following layers from the glass substrate outwardly: silicon oxynitride (SiO | 06-30-2011 |
| 20110176213 | Multi-Coated Hybrid Optical Film Structure - An optical film has multi-coated layers. Diffusion layers are used to scatter light. Each diffusion layer has an interface microstructure. A condensing optical layer is used to concentrating light. A design of a multi-coating technology is thus used for scattering and concentrating light. By integrating scattering and concentrating materials in a single optical film, cost is effectively reduced. By using diffusion layers having interface microstructures, interface-dominating mechanism, not only hybrid optical performance with luminance and haze is effectively enhanced; but also quality variations owing to particles added or film warp and scoring on the beneath optical film owing to particles coated are reduced. | 07-21-2011 |
| 20110199684 | BLACK MATRIX, MANUFACTURING METHOD THEREOF, AND IMAGE DISPLAY APPARATUS USING THE SAME - A black matrix formed on a substrate includes four layers formed by stacking a first film, a second film, a third film, and a fourth film in this order, each film being made of a transition metal oxide and a silicon oxide. A relationship of refractive index of the first film=refractive index of the third film| 08-18-2011 | |
| 20110228399 | OPTICAL FILTER - An optical filter | 09-22-2011 |
| 20110228400 | Method for Manufacturing an Optical Article with Anti-Glare Properties - The present invention relates to a method for making an optical article with anti-reflection properties, comprising the steps of:
| 09-22-2011 |
| 20110242662 | ANTI-REFLECTION STRUCTURE AND OPTICAL APPARATUS - The anti-reflection structure includes a graded refractive index layer that is disposed on a substrate and whose refractive index decreases as a distance from the substrate increases, and a homogeneous layer that is disposed on the graded refractive index layer and whose refractive index is homogeneous. The structure satisfies a condition of nb−na>0.10 where na represents the refractive index of the homogenous layer, and nb represents a homogenous layer side effective refractive index of the graded index refractive index layer. | 10-06-2011 |
| 20110261461 | OLED LIGHT EXTRACTION FILMS LAMINATED ONTO GLASS SUBSTRATES - A light extraction film laminated to a glass substrate for organic light emitting diode (OLED) devices. The light extraction film includes a flexible substantially transparent film, a low index nanostructured layer applied to the film, and a high index planarizing backfill layer applied over the nanostructured layer. A glass substrate is laminated to the flexible substantially transparent film on a side opposite the nanostructured layer and including an ultra-low index region between the film and the glass substrate. The ultra-low index region is used to reduce optical losses occurring with the glass substrate. | 10-27-2011 |
| 20110299167 | REFLECTIVE COATING, PIGMENT, COLORED COMPOSITION, AND PROCESS OF PRODUCING A REFLECTIVE PIGMENT - A reflective coating is disclosed that has a base layer provided with a reflective surface for reflecting electromagnetic radiation, such as visible and solar near-infrared light. The reflective coating also has a dielectric layer formed on the reflective surface, and an absorber layer. The absorber layer is formed on the dielectric layer that is formed on the base layer. The reflective coating has an average reflectance greater than about 60% for wavelengths of electromagnetic radiation in the range of 800 to 2500 nm that is irradiated upon the reflective coating. Additionally, the reflective coating has an average reflectance for wavelengths of electromagnetic radiation in the range of 400 to 700 nm irradiated upon the reflecting coating that is less than the average reflectance of the reflective coating from 800 to 2500 nm. | 12-08-2011 |
| 20120019915 | DURABLE ANTI-REFLECTION COATINGS - An article comprising a substrate and an anti-reflection coating, and methods for depositing the coating, are disclosed. The coating comprises (a) a first coating layer having a high refractive index deposited on the substrate; (b) an epoxide-silica coating layer deposited onto the high refractive index coating layer, comprising an inorganic silica component and an organic organo-silicate component, and (c) a silica coating layer consisting essentially of silica, deposited directly onto the epoxide-silica coating layer. The anti-reflection coating optionally comprises a stack of coating layers, between the first high refractive index coating layer and the epoxide-silica coating layer, having alternating a low refractive index and a high refractive index. Individual coating layer compositions, refractive indexes, and thicknesses are carefully controlled such that reflectance is minimized through destructive interference in the visible light wavelength range of 400 to 700 nm. The resulting deposited coating provides excellent mechanical, chemical, and environmental durability. | 01-26-2012 |
| 20120019916 | MULTILAYER REFLECTIVE FILM COATED SUBSTRATE FOR A REFLECTIVE MASK, REFLECTIVE MASK BLANK, AND METHODS OF MANUFACTURING THE SAME - By forming on a substrate a reference point mark having a concave or convex shape with its side walls being generally upright, even if a multilayer reflective film, an absorber film, and so on are formed over the reference point mark, sufficient contrast for inspection light is obtained so that the position of the reference point mark can be identified with high accuracy. | 01-26-2012 |
| 20120057236 | Temperable three layer antirefrlective coating, coated article including temperable three layer antirefrlective coating, and/or method of making the same - A coated article includes a temperable antireflection (AR) coating that utilizes medium and low index (index of refraction “n”) layers having compressive residual stress in the AR coating. In certain example embodiments, the coating may include the following layers from the glass substrate outwardly: silicon oxynitride (SiO | 03-08-2012 |
| 20120057237 | ELECTRODE FILM AND COORDINATE DETECTING APPARATUS - A laminate includes a high refractive index layer laminated on the base, made of a high refractive index material having an absolute refractive index more than 1.50, and having a thickness of 2 nm or more and 20 nm or less, a low refractive index layer laminated on the high refractive index layer, made of a low refractive index material having an absolute refractive index less than 1.50, and having a thickness of 10 nm or more and 100 nm or less, and a patterned electrode layer laminated on the low refractive index layer, made of a transparent conductive material, and having a surface resistance of 350Ω/□ or less, the laminate having a total luminous transmittance stipulated by JIS K-7105 of 85% or more, and a difference of the total luminous transmittance due to presence/absence of the electrode layer being less than 2%. | 03-08-2012 |
| 20120212826 | SUBSTRATE WITH ANTIREFLECTION COATING AND METHOD FOR PRODUCING SAME - A substrate is provided with an abrasion resistance antireflection coating. The coated substrate includes a multilayer antireflection coating on at least one side. The coating has layers with different refractive indices, wherein higher refractive index layers alternate with lower refractive index layers. The layers having a lower refractive index are formed of silicon oxide with a proportion of aluminum, with a ratio of the amounts of aluminum to silicon is greater than 0.05, preferably greater than 0.08, but with the amount of silicon predominant relative to the amount of aluminum. The layers having a higher refractive index include a silicide, an oxide, or a nitride. | 08-23-2012 |
| 20120307368 | OPTICAL ELEMENT AND METHOD OF MANUFACTURING OPTICAL ELEMENTS - An optical element is provided capable of reducing reflectance at whole bands of visible light. The optical element is characterized in that one of a plurality of concave sections or a plurality of convex sections are arranged on a surface at intervals smaller than a wavelength of visible light, and other not-being-arranged of the plurality of concave sections or the plurality of convex sections are each formed in each of the one arranged of the plurality of concave sections or the plurality of convex sections. A ratio of a lateral cross-sectional area of the optical element itself in a transverse plane taken along a horizontal surface may continuously increase from an upper surface toward a lower surface of the optical element according to a depth between the upper surface and the lower surface. | 12-06-2012 |
| 20130027779 | OPTICAL ELEMENT, AND OPTICAL SYSTEM AND OPTICAL APPARATUS USING SAME - The optical element of the present invention has an anti-reflection film formed on a substrate. Here, the anti-reflection film comprises a first layer formed on the substrate; a second layer formed on the first layer and consisting of a material different from that of the first layer; and a third layer formed on the second layer and consisting of a concave-convex structure. Also, the third layer has three regions of which a refractive index for each thickness changes at a constant rate by continuously changing the space filling factor of the concave-convex structure. | 01-31-2013 |
| 20130088783 | MULTILAYER OPTICAL FILM, METHOD OF MAKING THE SAME, AND TRANSACTION CARD HAVING THE SAME - A multilayer optical film includes alternating layers of first and second optical layers; the first optical layer comprising a first polyester, wherein the first polyester comprises first dicarboxylate monomers and first diol monomers, and from about 0.25 to less than 10 mol % of the first dicarboxylate monomers have pendant ionic groups; the second optical layer comprising a second polyester; and wherein the first and second optical layers have refractive indices along at least one axis that differ by at least 0.04. The multilayer optical film may be a polarizer film, a reflective polarizer film, a diffuse blend reflective polarizer film, a diffuser film, a brightness enhancing film, a turning film, a mirror film, or a combination thereof. The multilayer optical film may also be a transaction card such as a financial transaction card, an identification card, a key card, or a ticket card. A method of making the multilayer film is also disclosed. | 04-11-2013 |
| 20130194668 | METHOD OF MAKING COATED ARTICLE INCLUDING ANTI-REFLECTION COATING WITH DOUBLE COATING LAYERS INCLUDING MESOPOROUS MATERIALS, AND PRODUCTS CONTAINING THE SAME - Certain examples relate to a method of making an antireflective (AR) coating supported by a glass substrate. The anti-reflection coating may include porous metal oxide(s) and/or silica, and may be produced using a sol-gel process. The pores may be formed and/or tuned in each layer respectively in such a manner that the coating ultimately may comprise a porous matrix, graded with respect to porosity. The gradient in porosity may be achieved by forming first and second layers using one or more of (a) nanoparticles of different shapes and/or sizes, (b) porous nanoparticles having varying pore sizes, and/or (c) compounds/materials of various types, sizes, and shapes that may ultimately be removed from the coating post-deposition (e.g., carbon structures, micelles, etc., removed through combustion, calcination, ozonolysis, solvent-extraction, etc.), leaving spaces where the removed materials were previously located. | 08-01-2013 |
| 20130258479 | TRANSFER FILM AND METHOD FOR PRODUCING SAME, AND LAMINATE AND METHOD FOR PRODUCING SAME - Provided is a transfer film wherein: a low-refractive-index film having a refractive index (Nx) and a high-refractive-index film having a refractive index (Ny) are laminated in this order on one surface of a peeling film; the refractive indices satisfy Nx| 10-03-2013 | |
| 20130279007 | ARTICLE HAVING LOW REFLECTION FILM - Provided is an article having a low reflection film which has a low reflectance over a wide wavelength range, has a relatively low reflectance with light having a large incident angle and has good weather resistance and durability. An article having a low reflection film | 10-24-2013 |
| 20130329295 | ANTIREFLECTION COATING FILM, AND OPTICAL ELEMENT, OPTICAL SYSTEM, AND OPTICAL APPARATUS HAVING THE SAME - An antireflection coating film formed on an optical base member includes: a first layer having a refractive index of N | 12-12-2013 |
| 20140009834 | NOVEL ANTIREFLECTIVE COATINGS WITH GRADED REFRACTIVE INDEX - One or more coated layers having a variation in index of refraction can provide improvements in antireflection property. For example, different sol gel formulations can be employed in a multiple coating step approach to achieve a desired gradation of index of refraction using individual or combinations of particles containing sol formulations. Different organic porosity forming agents, surfactants and binders can be used to provide further control in forming the gradual index of refraction. In addition, different heat and chemical treatment conditions could also provide control over the gradation of index of refraction. | 01-09-2014 |
| 20140009835 | Anti-Reflection Coat and Optical Device - An anti-reflection coat includes an intermediate layer and a low refractive index layer sequentially stacked on a substrate, and preventing the reflection of incident light by optical interference effect, wherein the low refractive index layer is a film formed on the surface of the intermediate layer by a wet film formation method using a coating liquid including layer-constituting raw materials which includes hollow silica particles adhering each other with a binder, and the intermediate layer is a layer mainly composed of an organometallic compound which adheres well to the binder and having wettability to the coating liquid; and provides an optical device including the anti-reflection coat. | 01-09-2014 |
| 20140022644 | ANTIREFLECTIVE FILM COMPRISING LARGE PARTICLE SIZE FUMED SILICA - Antireflective films are described comprising a light transmissive substrate and a low refractive index layer disposed on the light transmissive substrate. The low refractive index layer comprises the reaction product of polymerizable resin composition comprising at least 20 wt-% fumed silica. In one embodiment, the polymerizable resin is ethylenically unsaturated. In a favored embodiment, the low refractive index layer increases in porosity from the light transmissive substrate interface to an opposing porous surface. | 01-23-2014 |
| 20140049827 | ANTIREFLECTION LAMINATE - To provide an antireflection stack, whereby a reflected color is moderate, and a multicolorization is suppressed. The antireflection stack | 02-20-2014 |
| 20140160568 | Optically Variable Element, in Particular Security Element - An optically variable element, in particular a security element, has a transparent carrier layer, an at least partly transparent reflective layer formed on the carrier layer, and a transparent embedding layer formed on the reflective layer. The reflective layer is structured in a motif region such that the layer forms a multiplicity of partly transparent micromirrors which present a perceptible motif upon plan viewing of the motif region due to specular reflection of incident light. The refractive indices of the carrier and embedding layers differ in the visible spectrum by no more than 0.2 in order that the motif perceptible in plan view is not recognizable upon transmission viewing of the motif region. | 06-12-2014 |
| 20140168776 | ANTIREFLECTION FILM AND ANTIREFLECTION PLATE - An antireflection film has excellent scratch resistance and damp-proof property in addition to having a high degree of antireflective effect, and provides an antireflection plate obtained by laminating the above film. The antireflection film has a lowly refractive layer of a refractive index of less than 1.48 and a thickness of 50 to 200 nm. An antireflection plate includes the antireflection film formed on a transparent resin substrate. | 06-19-2014 |
| 20140177059 | OPTICAL ELEMENT, OPTICAL SYSTEM AND OPTICAL APPARATUS HAVING ANTIREFLECTION COATING - An optical element includes a transparent substrate and an antireflection coating on the substrate. The antireflection coating includes an intermediate layer on the substrate, and an undulation layer that is formed on the intermediate layer and has a plurality of convexes arrayed with spacing shorter than a shortest wavelength. The undulation layer has a portion where refractive index increases from a light incident side to the substrate. The intermediate layer has a first layer closest to the substrate, and a second layer formed on the first layer. A refractive index n1 of the first layer, a refractive index n2 of the second layer, and a refractive index ns of the substrate satisfy the following conditional equations: | 06-26-2014 |
| 20140327966 | ANTIREFLECTION FILM - An antireflection film includes a first layer and a second layer formed on a substrate in this order from the substrate side, the second layer being formed to be in contact with an ambient medium. The first layer and the second layer are formed such that an average refractive index n | 11-06-2014 |
| 20140362444 | ARTICLES WITH ANTI-REFLECTIVE HIGH-HARDNESS COATINGS AND RELATED METHODS - Methods and articles are provide for: a substrate having first and second opposing surfaces; an intermediate layer substantially covering the first surface of the substrate, the intermediate layer being between about 1-5 microns in thickness and having a hardness of at least 15 GPa; a first outer layer substantially covering the intermediate layer; and a second outer layer substantially covering the first outer layer, and having a hardness of at least 15 GPa. | 12-11-2014 |
| 20150015959 | Optical Coating Method, Apparatus and Product - This disclosure is directed to an improved process for making glass articles having optical coating and easy-to clean coating thereon, an apparatus for the process and a product made using the process. In particular, the disclosure is directed to a process in which the application of the optical coating and the easy-to-clean coating can be sequentially applied using a single apparatus. Using the combination of the coating apparatus and the substrate carrier described herein results in a glass article having both optical and easy-to-clean coating that have improved scratch resistance durability and optical performance, and in addition the resulting articles are “shadow free.” | 01-15-2015 |
| 20150116832 | OPTICAL COMPONENT - An optical component includes an optical substrate and a first band-pass filter disposed on the optical substrate. The first band-pass filter includes a high refractive index layer having a first refractive index, and a low refractive index layer having a second refractive index lower than the first refractive index. The high refractive index layer and the low refractive index layer are layered. An expression (n | 04-30-2015 |
| 20150346388 | OPTICAL MULTILAYERED UNIT AND DISPLAY DEVICE INCLUDING THE SAME - An optical multilayered unit including a base material; a first refractive layer on at least one surface of the base material, the first refractive layer including a fluorine-containing compound; and a second refractive layer on one surface of the first refractive layer, the second refractive layer having a refractive index that is 0.01 to 0.3 higher than a refractive index of the first refractive layer. | 12-03-2015 |
| 20150369965 | ANTI-REFLECTION FILM AND PRODUCTION METHOD THEREFOR - An anti-reflection film according to the present invention includes: a substrate; and a medium-refractive index layer, a high-refractive index layer, and a low-refractive index layer in the stated order from a substrate side, wherein: the substrate has a refractive index ranging from 1.45 to 1.65; the medium-refractive index layer is formed by applying, onto the substrate, a composition for forming a medium-refractive index layer containing a binder resin and inorganic fine particles, and curing the composition, has a refractive index ranging from 1.67 to 1.78, and has a thickness of from 70 nm to 120 nm; the high-refractive index layer has a refractive index ranging from 2.00 to 2.60, and has a thickness of from 10 nm to 25 nm; and the low-refractive index layer has a refractive index ranging from 1.35 to 1.55, and has a thickness of from 70 nm to 120 nm. | 12-24-2015 |
| 20160054477 | COMPOSITE SUBSTRATE STRUCTURE AND TOUCH-SENSITIVE DEVICE - A composite substrate structure includes a transparent substrate, an anti-reflective layer, and an anti-glare layer. The anti-reflective layer is disposed on the transparent substrate and has at least a first anti-reflective film and the refractive index of the first anti-reflective film is greater than that of the transparent substrate. The anti-glare layer is disposed on the anti-reflective layer, and the anti-glare layer and the transparent substrate are respectively located at two opposite sides of the anti-reflective layer. The refractive index of the anti-glare layer is less than that of the first anti-reflective film, and the anti-glare layer has a rough surface distant from the anti-reflective layer. | 02-25-2016 |
| 20160061996 | ANTIREFLECTION FILM, AND OPTICAL ELEMENT AND OPTICAL SYSTEM THAT INCLUDE THE SAME - An antireflection film formed on a substrate having a refractive index between 1.40 and 1.85 inclusive for light having a wavelength of 550 nm includes an intermediate layer formed on the substrate, and a concavo-convex layer formed on the intermediate layer, the concavo-convex layer includes a part has a refractive index that continuously increases from a side closer to a surface toward a side closer to the substrate, the intermediate layer includes a plurality of thin film layers having different refractive indices, and at least one of the thin film layers has a refractive index higher than the refractive index of the substrate, and the thin film layers include a first layer formed on the substrate and having a physical thickness d1, and a second layer formed on the first layer and having a physical thickness d2, and satisfy predetermined conditional expressions. | 03-03-2016 |
| 20160124120 | ANTI-REFLECTIVE COATED GLASS ARTICLE - A coated glass article includes a glass substrate and a coating formed over the glass substrate. The coating includes a first inorganic metal oxide layer deposited over a major surface of the glass substrate. The first inorganic metal oxide layer has a refractive index of 1.8 or more. The coating also includes a second inorganic metal oxide layer deposited over the first inorganic metal oxide layer. The second inorganic metal oxide layer has a refractive index of 1.6 or less. The coated glass article exhibits a total visible light reflectance of 6.5% or less. | 05-05-2016 |
| 359588000 | Filter having four or more layers | 11 |
| 20080239496 | OPTICAL FILTER - An optical filter has a multilayer thin film comprising first to i-th layers stacked in alternate layers of high and low refractive indices on a transparent substrate. Respective odd-numbered layers (Sigh refractive index layers) and respective even-numbered layers (low refractive index layers) form repetitive sequences of layers each of which cyclically changes in optical thickness throughout the multilayer tin film. Each of k-th from-the-bottom alternate layers of high and low refractive indices has such an optical thicknesses as meet the following conditional expressions (1) and (2), concurrently: | 10-02-2008 |
| 20080252979 | Terahertz-Band Optical Filter, Designing Method Thereof, and Manufacturing Method Thereof - A terahertz band optical filter having a dielectric multilayer periodic structure in which a plurality of dielectric materials are periodically layered. Multi-cavity layers each having an optical path length of n times λ/2 (n is an integer greater than or equal to 1) and made of a low-refractive index medium are arranged. The cavity layers are coupled using a single-layer coupling layer having an optical path length λ/4 and made of a high-refractive index medium, thus forming a multi-cavity structure. Matching layers each including a high refractive index layer and a low refractive index layer each having an optical path length of λ/4 are disposed at either end of the multi-cavity structure. | 10-16-2008 |
| 20080259459 | REFLECTIVE FILTER - A reflective filter including a substrate and an optical film structure disposed on the substrate is provided. The optical film structure includes a reflective layer, a spacing layer, a transflective layer and a transparent layer in sequence. Depending on the reflection and interference phenomenon form the layers of the optical film structure, a colored light within narrow band could be filtered by the reflective filter in order to enhance the color saturation of an image. | 10-23-2008 |
| 20080304156 | SOLID-STATE IMAGING DEVICE AND SIGNAL PROCESSING METHOD - A solid-state imaging device including a color filter having a filter characteristic more approaching to a human visual sensitivity is provided. The color filter including a group of dielectric layers has high-refractive-index-material films and low-refractive-index-material films, the high-refractive-index-material film and the low-refractive-index-material film being n films and (n−1) films, lo respectively, which are laminated alternately, n being an integer equal to or larger than 4. The color filter includes at least a red-transmission filter, a green-transmission filter, and a blue-transmission filter. The group of dielectric layers is common in the color filter and includes two of the high-refractive-index-material films and one of the low-refractive-index-material films positioned between and in contact with the two of high-refractive-index-material films. In the red-transmission filter, a first one of low-refractive-index-material films and a second one of low-refractive-index-material films, which are not in the group of dielectric layers, have a thickness different from each other. | 12-11-2008 |
| 20090034081 | Vacuum Evaporation Method for Forming a Multilayer Film Filter on a Plastic Component and Multi-Layer Film Filter Optical Image-Capturing Assembly with the Plastic Component - A vacuum evaporation method for forming a multi-layer film filter on a plastic optical component and a multi-layer film filter optical image-capturing assembly with the plastic optical component, in which the multi-layer film filter generally refers to various filters produced by adopting the optical interference principle. During the evaporation operation, the evaporation time of each film is not more than four minutes, the distance between the evaporation source and the plastic optical assembly must be more than 100 centimeters, and the ion assisted deposition is performed when the high refraction film and low refraction film are alternately laminated one upon the other to form more than 40 layers of films. The optical image capture assembly with the plastic optical component can be used without additionally adopting a multilayer film filter, thus effectively reducing the volume and the cost. | 02-05-2009 |
| 20090109537 | MULTI-COMPONENT FILMS FOR OPTICAL DISPLAY FILTERS - Provided are multi-component films useful as optical display filters. The optical display filters include a multi-layer stack that contains at least one organic layer. The filters have high visible light transmittance, low visible light reflection, and provide electromagnetic interference shielding. | 04-30-2009 |
| 20090116114 | Wideband dichroic-filter design for LED-phosphor beam-combining - A general method is disclosed of designing two-component dichroic short-pass filters operable for incidence angle distributions over the 0-30° range, and specific preferred embodiments are listed. The method is based on computer optimization algorithms for an N-layer design, specifically the N-dimensional conjugate-gradient minimization of a merit function based on difference from a target transmission spectrum, as well as subsequent cycles of needle synthesis for increasing N. A key feature of the method is the initial filter design, upon which the algorithm proceeds to iterate successive design candidates with smaller merit functions. This initial design, with high-index material H and low-index L, is (0.75 H, 0.5 L, 0.75 H)̂m, denoting m (20-30) repetitions of a three-layer motif, giving rise to a filter with N=2m+1. | 05-07-2009 |
| 20090201587 | OPTICAL FILTER AND DISPLAY DEVICE HAVING THE SAME - An optical filter for a display device placed in front of a display panel | 08-13-2009 |
| 20090207495 | Wavelength separation film and filter for optical communication using the same - A wavelength separation film having a structure containing plural thin films laminated to each other including a first thin film containing a high refractive index material, a second thin film containing a low refractive index material, and a third thin film containing a material having an intermediate refractive index that intervenes between the refractive index of the high refractive index material and the refractive index of the low refractive index material, the high refractive index material being silicon, the low refractive index material being at least one selected from silicon oxide, magnesium fluoride and aluminum oxide, and the material having an intermediate refractive index being at least one selected from titanium oxide, tantalum oxide, niobium oxide, zirconium oxide, hafnium oxide and aluminum oxide. | 08-20-2009 |
| 20120057238 | LOW-ABERRATION OPTICAL WINDOW - An optical window may be configured to minimize optical aberrations. The optical window may include a laminous optical window assembly. The laminous optical window assembly may have four or more alternating layers of positive refraction material layers and negative refraction material layers. The four or more alternating layers may be configured to minimize refraction of electromagnetic rays propagating therethrough such that a given incident electromagnetic ray is substantially collinear with a corresponding transmitted electromagnetic ray. | 03-08-2012 |
| 20120105965 | MULTILAYER FILTER - A multilayer filter includes a dielectric multilayer film in which, layers of at least two types, each layer having a different refractive index, are stacked alternately, and a substrate on which, at least two stacks are stacked. A group delay dispersion of the stack decreases gradually as far from the substrate. The multilayer filter has an adjustment layer at any one or a more positions from positions, between the two stacks which are stacked, between the substrate and the stack, and on the stack which is farthest from the substrate. | 05-03-2012 |
